Home / 30,980,147.40-46,468,252.80-10,509,827.40

Finding the Fourth Proportional to 30,980,147.40, 46,468,252.80 and 10,509,827.40

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Solution

The fourth proportional to 30,980,147.40, 46,468,252.80 and 10,509,827.40 is: 15,764,073.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,980,147.40 : 46,468,252.80 = 10,509,827.40 : x
  2. Step 2: Convert to fraction form
    30,980,147.40/46,468,252.80 = 10,509,827.40/x
  3. Step 3: Cross multiply
    30,980,147.40x = 46,468,252.80 × 10,509,827.40
  4. Step 4: Simplify right side
    30,980,147.40x = 488,373,316,507,566.69
  5. Step 5: Solve for x
    x = 488,373,316,507,566.69/30,980,147.40
  6. Step 6: Final answer
    x = 15,764,073.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.